Every time I try to update or install a package or open software center, I get an error something like
E: The repository 'http://ppa.launchpad.net/tista/adapta/ubuntu disco Release' does not have a Release file.
I am on latest Ubuntu 19.04.
Every time I try to update or install a package or open software center, I get an error something like
E: The repository 'http://ppa.launchpad.net/tista/adapta/ubuntu disco Release' does not have a Release file.
I am on latest Ubuntu 19.04.
There is no PPA for the disco
version.
In terminal
...
cd /etc/apt
# change directory
grep -i tista sources.list
# search in sources.list
grep -i tista sources.list.d/*.list
# search in individual .list files
Once "tista" is found ,edit that file, and change disco
to cosmic
.
sudo -H gedit /path_to_found_filename/found_filename
# edit the found file